45494774 has 16 divisors (see below), whose sum is σ = 75202512. Its totient is φ = 20508768.

The previous prime is 45494689. The next prime is 45494777. The reversal of 45494774 is 47749454.

It is a super-2 number, since 2×45494774² = 4139548922622152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45494777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19229 + ... + 21464.

It is an arithmetic number, because the mean of its divisors is an integer number (4700157).

Almost surely, 2^45494774 is an apocalyptic number.

45494774 is a deficient number, since it is larger than the sum of its proper divisors (29707738).

45494774 is a wasteful number, since it uses less digits than its factorization.

45494774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40751.

The product of its digits is 564480, while the sum is 44.

The square root of 45494774 is about 6744.9813935992. The cubic root of 45494774 is about 356.9881805020.

It can be divided in two parts, 45494 and 774, that multiplied together give a square (35212356 = 5934²).

The spelling of 45494774 in words is "forty-five million, four hundred ninety-four thousand, seven hundred seventy-four".